mirror of
https://github.com/freedoom/freedoom.git
synced 2025-09-04 04:25:46 -04:00
8835afef5f
The tags are shorthand for the license of each file and avoid copying the full license text into each one (and avoids having to manually update the dates in each one...).
55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
#!/usr/bin/env python
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
#
|
|
# Constants for MIDI notes.
|
|
#
|
|
# For example:
|
|
# F# in Octave 3: O3.Fs
|
|
# C# in Octave -2: On2.Cs
|
|
# D-flat in Octave 1: O1.Db
|
|
# D in Octave 0: O0.D
|
|
# E in Octave 2: O2.E
|
|
|
|
class Octave:
|
|
def __init__(self, base):
|
|
self.C = base
|
|
self.Cs = base + 1
|
|
self.Db = base + 1
|
|
self.D = base + 2
|
|
self.Ds = base + 3
|
|
self.Eb = base + 3
|
|
self.E = base + 4
|
|
self.F = base + 5
|
|
self.Fs = base + 6
|
|
self.Gb = base + 6
|
|
self.G = base + 7
|
|
self.Gs = base + 8
|
|
self.Ab = base + 8
|
|
self.A = base + 9
|
|
self.As = base + 10
|
|
self.Bb = base + 10
|
|
self.B = base + 11
|
|
|
|
On5 = Octave(0) # Octave -5
|
|
On4 = Octave(12) # Octave -4
|
|
On3 = Octave(24) # Octave -3
|
|
On2 = Octave(36) # Octave -2
|
|
On1 = Octave(48) # Octave -1
|
|
O0 = Octave(60) # Octave 0
|
|
O1 = Octave(72) # Octave 1
|
|
O2 = Octave(84) # Octave 2
|
|
O3 = Octave(96) # Octave 3
|
|
O4 = Octave(108) # Octave 4
|
|
O5 = Octave(120) # Octave 5
|
|
|
|
# Given a MIDI note number, return a note definition in terms of the
|
|
# constants above.
|
|
|
|
def def_for_note(note):
|
|
OCTAVES = [ "On5", "On4", "On3", "On2", "On1",
|
|
"O0", "O1", "O2", "O3", "O4", "O5" ]
|
|
NOTES = [ "C", "Cs", "D", "Ds", "E", "F", "Fs",
|
|
"G", "Gs", "A", "As", "B" ]
|
|
|
|
return "%s.%s" % (OCTAVES[note // 12], NOTES[note % 12])
|
|
|